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______________________ Notes ______________________
The ESL9326D Enterprise Library is cabled internally for two
35/70 DLT tape drives on each SCSI bus. It arrives with the
library electronics cabled to tape drives 0 and 1. Every other
pair of tape drives is cabled together (2 and 3, 4 and 5, 6 and
7, and so on).
An extra SCSI bus jumper cable is provided with the ESL9326D
Enterprise Library for those customers that do not have enough
SCSI buses, and want to jumper two SCSI buses together and
place four tape drives on the same SCSI bus.
We recommend that you place no more that two 35/70 DLT tape
drives on a shared SCSI bus.
We also recommended that you do not place storage on shared
SCSI buses that have tape drives.
The following sections describe how to prepare the ESL9326D Enterprise
Library in more detail.
8.13.3.1 ESL9326D Enterprise Library Robotic and Tape Drive Required Firmware
Library electronics firmware V1.22 is the minimum firmware version that
supports TruCluster Server.
The 35/70 DLT tape drives require V97 or later firmware. The firmware
must be at V80 before you can upgrade to V97.
8.13.3.2 Library Electronics and Tape Drive SCSI IDs
Figure 8–20 shows the default robotics and tape drive SCSI IDs. If these
SCSI IDs are not acceptable for your configuration and you need to change
them, follow the steps in the Compaq StorageWorks ESL9000 Series Tape
Library Reference Guide.
8.13.3.3 ESL9326D Enterprise Library Internal Cabling
The default internal cabling for the ESL9326D Enterprise Library is to place
two 35/70 DLT tape drives on one SCSI bus.
Figure 8–20 shows the default cabling for an ESL9326D Enterprise Library
with 16 tape drives. Each pair of tape drives is cabled together internally to
place two drives on a single SCSI bus. If your model has fewer drives, all
internal cabling is supplied. The terminators for the drives that are not
present are not installed on the SCSI bulkhead.
Configuring a Shared SCSI Bus for Tape Drive Use 8–75